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Hypovolemic shock

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โˆ™ 2012-09-11 13:11:18
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Q: What shock is caused by sudden blood or body fluid loss?
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Shock is caused by?

Shock is usually caused by trauma, blood loss, dehydration or massive infection


What cause hypovolemic shock?

Hypovolemic shock is primarily caused by poor perfusion, usually from excess blood or fluid loss from the body. Hypovolemic shock is the most common type of pre-hospital shock often resulting from moderate or severe trauma.


What are causes of Hypovolemic shock?

Hypovolemic shock is caused by blood loss, and there is a low volume of blood in the system.


The form of circulatory shock known as hypovolemic shock is?

only that form of shock caused by large scale loss of blood.


Different types of shock?

* Hypovolemic shock. The single most common cause of shock is blood volume loss, resulting from a serious wound or a severe burn leading to hypovolemic shock. * Cardiogenic shock is caused by the failure of the heart to pump effectively. This can be due to damage to the heart muscle, most often from a large myocardial infarction. Other causes of cardiogenic shock include arrhythmias, or cardiac valve problems. * Distributive shock. As in hypovolemic shock there is an insufficient volume of blood. This form of relative hypovolaemia is the result of dilation of bloodvessels. Examples of this form of shock are: * Septic shock is caused by overwhelming infection leading to vasodilation. It is treated by antibiotics, fluid replacement, and vasoconstrictors. * Acute adrenal insufficiency is not infrequently the result of discontinuing corticosteroid treatment without tapering the dosage. * Less commonly severe anaphylactic reactions may cause anaphylactic shock as allergens trigger widespread vasodilation and movement of fluid out of the blood into the tissues. * The rarest cause of shock is acute spinal cord injury leading to neurogenic shock. Neurogenic shock is caused by the sudden loss of the sympathetic nervous system signals to the smooth muscle in vessel walls. Without this constant stimulation the vessels relax resulting in a sudden decrease in peripheral vascular resistance and decreased blood pressure. * Obstructive shock. Hereby the flow of blood is obstructed. Several conditions result in this form of shock. * Cardiac tamponade, in which blood in the pericardium prevents inflow of blood into the heart (venous return). Or constrictive pericarditis which has the same effect. * Pneumothorax. Through increased intrathoracic pressure bloodflow to the heart is prevented (venous return). * Pulmonary embolism is the result of a thromboembolic incident in bloodvessels of the lungs and hinders the return of blood to the heart.


What risks exist for the patient in undergoing an thoracentesis?

Reaccumulation of fluid or air is a possible complications, as are hypovolemic shock (shock caused by a lack of circulating blood) and infection. Patients are at increased risk for poor outcomes if they have a recent history of anticoagulant.


What is the sudden change in acidity of a stream or lake?

Acid shock is the sudden change in acidity of a stream or lake. It is often caused by melting snow. The acids that have been gathering in the snow are released into a body of water causing this phenomenon.


What is a shock?

A shock is something which causes sudden, heavy impact, a sudden electrical charge, or an amount of considerable emotional impact.


What is names for a sudden shock?

jolt


What is a sudden shortage of goods called?

Supply Shock


What is a sudden lack of goods?

supply shock


What is streptococcal toxic shock syndrome?

blood infection from lack of mineral magnesium and/or caused by candida

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